Check List for Avro Lancastrian II and IV with Merlin 24/2 Engines
Limitations – All Speeds in mph IAS unless
otherwise stated
Max speed (Dive)
325 mph
Flaps Down (all
positions) 200 mph
Undercarriage
down 200 mph
On Entry
Turn
Ground/Flight switch to Flight.
Check
batteries – voltmeter should read 24 volts.
Check fuel
contents, and set tank
Ground
starter battery available? Plug in and switch battery to Ground.
Starting
Engines
Engine Fuel
cocks ON.
Throttles
cracked.
Prop
controls fully forward.
Fuel tank
selector cocks to No 1 Tanks.
Magnetos to ON.
Ignition to ON.
Press
Starter button; release starter button if turning period exceeds 20 seconds.
Wait 30 seconds before restart.
When all
engines are running turn battery switch to FLIGHT.
Open up
each engine to 1200 rpm and warm up at this speed.
Engine
Testing
After
warming up, open throttle to 1500 rpm, switch each magneto from on to off
quickly; during the ‘Off’ phase rpm should drop slightly, recovering when the
magneto is turned on.
Open up to
zero boost; check operation of constant speed prop.
With the control back to the 0% position rpm should fall to 1800.
Open the
throttle to the take off position (fully forward) and check boost is correct
and rpm is 3000.
Engine Minima for Taxi and Take off.
Oil – 15 degs C, Radiator coolant – 60 degs
C. Oil Pressure at least 30 psi and rising.